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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2020/06/17 05:08:57 UTC

[GitHub] [incubator-nuttx] xiaoxiang781216 commented on issue #1137: Correct behavior of sched_lock() in SMP mode

xiaoxiang781216 commented on issue #1137:
URL: https://github.com/apache/incubator-nuttx/issues/1137#issuecomment-645153945


   > i have two comments
   > 
   > * to me, enter_critical_section() is another primitive with unclear semantics. are you interested in more fine grained locking? or, do you think the "global irq lock" approach is good enough for what nuttx is for?
   
   Here is the similar question:
   https://github.com/apache/incubator-nuttx/issues/1144
   
   > * how about introducing a set of new api with clear semantics and name, say, preempt_disable().
   
   Does sched_lock equivalent to preempt_disable?


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